Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.

Fly fishing report · West
Lochsa River Fishing Report — Idaho
Check the Lowell flow and today’s heat first. Fish early, carry a thermometer, and use the rule for the reach you choose.
See the Lowell flow chart ↓Photo: U.S. Forest Service Northern Region Opens in a new tab. · CC BY 2.0
Yes. Fishing looks good.
Good fishing based on the verified flow and weather. No official live water-temperature reading is available. Carry a thermometer during warm weather and stop if the water is stressful for trout.
See update time and confidence
Wade and Bank / edge have the same top score. Use current access, footing, weather, and local rules to choose.
Bank and edge fishing remains a practical low-commitment option if access is legal and footing is safe.
This report does not recommend floating this reach.
Your plan
A simple Lochsa plan.
Check the live Lowell graph before you leave. This page has no live water temperature, so carry a thermometer.
- Start with
- A dry fly in the soft water beside faster current.
- Then try
- One nymph or a soft hackle if fish stay down.
- Stop when
- The river reaches 73°F, the current turns pushy, or you lose a safe exit.
Live river check
What the river is doing
Check the latest flow and weather before you go. A quick change can make the river harder or less safe to fish.
- Flow
- 464 cfs
- From the latest stored river check. Open the official source for the newest reading.
- Air now
- 87°F
Current NWS forecast period
- Next 24h high
- 88.0°F
NWS air forecast near
- Rain chance
- 16%
For this forecast period
This is an air forecast, not a river-temperature reading. Check the water with a stream thermometer before fishing in hot weather.
Patchy Smoke
Patchy Smoke
- Wind
- 1 mph
- Weather checked
Recent flow chart is loading
The latest stored reading is shown above. Check the official source below if you need the newest value now.
More forecast and source details
Lochsa River near Lowell forecast point
The National Weather Service forecast is temporarily unavailable.
Where these readings come from
RiverReports gauge: Lochsa River near Lowell
How to fish it
Let the flow choose the water.
On this canyon river, the best trout water is often the soft water close to shore.
Steady or falling
Look for soft pockets and short seams you can reach from the bank.
Low and clear
Use a longer leader, smaller flies, and quiet approaches.
High or rising
Do not wade. Fast canyon current leaves little room for error.
73°F water
Pause trout fishing. The Lowell flow gauge does not replace a thermometer.
Fishing words used on this page
- Cubic feet per second (cfs)
- Cubic feet per second, or cfs, shows how much water passes the gauge each second.
- Nymph
- A nymph is a young water insect. Anglers also use the word for a fly that copies it.
- Seam
- A seam is the line where fast and slow water meet.
- Tailout
- A tailout is the shallow, slower water at the lower end of a pool.
- Blue-winged olive (BWO)
- Blue-winged olives, or BWOs, are small mayflies that often hatch in cool or cloudy weather.
- Caddis
- Caddis are small water insects. The adults look a little like tiny moths.
- Midge
- Midges are tiny flies and a common trout food, especially in cold water.
- River reach
- A reach is one named section of a river or stream.
- Soft hackle
- A soft-hackle fly has moving fibers that can look like an insect rising through the water.
- Terrestrial
- Terrestrials are land insects, such as ants, beetles, and grasshoppers.
Why this call
Why this score
The current NWS air forecast is about 87F, and the next 24-hour high reaches about 88F. This is an air forecast, not a water-temperature reading. Fish early and check the river with a stream thermometer. Pause trout fishing at 73°F or warmer.
USGS shows 464 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1911-2025, 98 readings) show a typical middle range of 420 cfs to 693 cfs. Flow is within the typical range for this date, so weather, temperature, and access become the next checks.
Summer · June through August: The main dry-fly window, with an early start and a water-temperature check.
No active NWS alert was returned for this forecast point.
Leave when the river is rising or the bank gives you no clean exit.
Trip notes
Trip notes
Four things worth checking.
Use the live Lowell graph. Steady or falling water with clear bank pockets gives the simplest plan.
Leave when the river is rising or the bank gives you no clean exit.
Pick one named access, fish the soft water near shore, then move only if the next stop is clearly safer.
If the Lochsa does not fit, check the Clearwater or South Fork Clearwater report before changing rivers.
Fish on this river
What you can fish for
Westslope cutthroat trout
Primary fishWhen: Best after runoff through early fall
Fish dries and short droppers in softer pockets when the water is cool.
Rainbow trout
Also presentWhen: Same trout window
Use the same reach rules and temperature check as cutthroat.
Mountain whitefish
Also presentWhen: Year-round where the river is open and safe
Nymphs and soft hackles work in deeper runs and riffle tails.
Bull trout
Catch and release onlyWhen: Present in the system
Release every bull trout. Do not mistake one for a brook trout.
Chinook salmon
Not open nowWhen: 2026 season closed August 10
Do not target salmon unless Idaho Fish and Game opens a new Lochsa season.
Steelhead
Fishing prohibitedWhen: No open Lochsa steelhead fishery
The Lochsa is a wild steelhead refuge. Steelhead fishing is prohibited.
What to try
Lochsa flies through the year.
Start with the season. Change one fly at a time.
Each fly name links to its matching Fly Box guide.
Access and safety
Highway 12 access and Idaho rules.
Use named access sites and read the rule for the reach you choose. Steelhead fishing is prohibited. Chinook is closed unless Idaho opens a new season. Trout rules change at Wilderness Gateway, and bull trout are catch-and-release.
Choose the rules before the water.
Lower reach · December 1 to Friday before Memorial Day weekend
From the mouth to the Wilderness Gateway motor bridge: barbless hooks. Trout are catch-and-release. No bait except maggots.
Read the official lower-reach rule in a new tabLower reach · Memorial Day weekend through November 30
From the mouth to the Wilderness Gateway motor bridge: barbless hooks. Trout limit two, none under 14 inches. No bait.
Read the official lower-reach rule in a new tabUpper reach · Wilderness Gateway to Crooked Fork and Colt Killed creeks
Trout are catch-and-release only. No bait and barbless hooks are required.
Read the official upper-reach rule in a new tabChinook · Lowell Bridge to Twin Bridges
The 2026 season closed August 10. Do not target salmon unless a new season opens.
Check the current Chinook status in a new tabWilderness Gateway bridge
The motor bridge near milepost 122 is the boundary between the two trout-rule reaches.
Check Wilderness Gateway in a new tabKnife Edge
A named Forest Service campground and river-access site about 15 minutes east of Lowell.
Check Knife Edge in a new tabWhite Pine
A primitive nonmotorized put-in and takeout at milepost 138. It unloads one group at a time, parks four vehicles, has no potable water, and does not list restroom information.
Check White Pine in a new tabThere are no services between Lowell and Powell, a 64-mile stretch. Fuel and pack food before you go.
IDFG lists no developed boat ramp. This report treats the Lochsa as bank-and-wade water, not a float recommendation.
Use named access sites. Do not stop where a narrow shoulder or blind curve makes parking unsafe.
River sources
Where this report comes from.
Official flow, rules, access, weather, and trout-temperature guidance were checked August 20, 2026. No field visit is claimed.
How this report was checked
How this report was checked
What was checked: Official flow, rules, species, access, weather, and trout-temperature sources were checked. BlueStreamFly does not claim a Lochsa field visit or live hatch observation for this update.
Live measurements and forecasts keep their provider timestamps. Rules, access, and trip guidance use the source-review date shown here. BlueStreamFly planning advice is editorial interpretation, not an agency notice.
First-hand experience: BlueStreamFly does not claim a first-hand visit or local field test for this report unless a real contributor is explicitly named and linked.
Rules and closures
Check what is allowed, where the rule applies, and whether the river is open.
Flow and weather
Check the latest river reading and forecast before you leave.
Access and land
Check public entry points, land rules, and seasonal access changes.
More helpful links
Use these links for stocking, safety, and other local details.
See all 11 checked sources
Rules and closures
Check what is allowed, where the rule applies, and whether the river is open.
What this source covers
Open the current rules and check the river section, season, and special limits.
What this source covers
Open the current rules and check the river section, season, and special limits.
What this source covers
Open the current rules and check the river section, season, and special limits.
Flow and weather
Check the latest river reading and forecast before you leave.
What this source covers
Open this page and check the latest safety advice before your trip.
What this source covers
Open this river reading to check the latest level, flow, and update time.
Access and land
Check public entry points, land rules, and seasonal access changes.
What this source covers
Open the land or access page, then check signs before you park or enter.
What this source covers
Open the land or access page, then check signs before you park or enter.
What this source covers
Open the land or access page, then check signs before you park or enter.
What this source covers
Open the land or access page, then check signs before you park or enter.
What this source covers
Open the land or access page, then check signs before you park or enter.
More helpful links
Use these links for stocking, safety, and other local details.
What this source covers
Open this page and check the latest safety advice before your trip.
Quick answers
A few last checks.
Can I fish for steelhead on the Lochsa?
No. Idaho Fish and Game says steelhead fishing is prohibited on the Lochsa and its smaller streams.
Is Chinook fishing open?
No. The 2026 Lochsa Chinook season closed August 10. Check Idaho Fish and Game for any future opening.
Can I float the Lochsa?
This report does not recommend a float. IDFG lists no developed ramp, and White Pine is a primitive nonmotorized access for skilled river users.
Does the Lowell gauge show water temperature?
Not on this page. Carry a thermometer and pause trout fishing at 73°F.














